sequenceDiagram
    participant U as 👤 User
    participant A as 🚀 Application
    participant R as 📖 PDF Reader
    participant V as 📊 Vector Store
    participant O as 🤖 Ollama Model
    
    A->>R: 读取PDF文档
    R->>A: 返回文档列表
    A->>V: 文档向量化存储
    A->>O: 发送问题和上下文
    O->>A: 返回答案
    A->>U: 显示结果